/*
 * $Id: GlobalBriefcase.java 42 2013-04-17 15:33:59Z gabakyan $
 * $Author: gabakyan $
 * $Revision: 42 $
 * $Date: 2013-04-17 15:33:59 +0000 (Wed, 17 Apr 2013) $
 *
 * Copyright (c) 2013 Supply Chain Intelligence (SCI), Inc.
 * http://www.scintelligence.com/, Email: info@scintelligence.com
 * All rights reserved.
 *
 * This file is part of Logistics Map.
 *
 * Logistics Map is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * Logistics Map is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Logistics Map.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.sci.logisticsmap.service.support;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.Map;

/**
 * The enumeration which provides an instance (singleton) for manipulating the global data.
 *
 * @author gabakyan@gmail.com (Last modified by $Author: gabakyan $)
 * @version $Revision: 42 $
 */
public enum GlobalBriefcase {
    /**
     * The instance (singleton).
     */
    INSTANCE;

    /**
     * The logger.
     */
    private static final Logger logger = LoggerFactory.getLogger(GlobalBriefcase.class);
//    /**
//     * The data map.
//     */
//    private Map<String, Object> dataMap = new HashMap<String, Object>();
    /**
     * The username to status map.
     */
    private Map<String, String> usernameToStatus = new HashMap<String, String>();

    /**
     * Initializes the global data.
     */
    public void init() {
    }

    /**
     * Clears the global data.
     */
    public void clear() {
        //dataMap.clear();
        usernameToStatus.clear();
    }

    /**
     * Retrieves the user status.
     *
     * @param username The username.
     *
     * @return The user status.
     */
    public String getUserStatus(String username) {
        return usernameToStatus.get(username);
    }

    /**
     * Puts the user new status.
     *
     * @param username The username.
     * @param newStatus The new status.
     */
    public void putUserStatus(String username, String newStatus) {
        usernameToStatus.put(username, newStatus);
    }

    /**
     * Removes the user status.
     *
     * @param username The username.
     */
    public void removeUserStatus(String username) {
        usernameToStatus.remove(username);
    }
}
